Distance action includes the women's 2-mile with Jenny Simpson, Brenda Martinez and Alexa Efraimson.
Because it is a new regulation, CAS can't prevent it unless an athlete makes a new legal challenge. *BBC article
Sports scientist Ross Tucker predicts that Semenya will "go from a 1:54 to 2:01-2:03."
The new regulations limiting female testosterone levels will come into effect on November 1, 2018.